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The turbine and associated rotating parts of a jet engine have a total moment of inertia of 30 kg m2. The turbine is accelerated uniformly from rest to an angular speed of 160 rad/s in a time of 27 s.
1) Find angular acceleration.
2) Find the net torque required.
3) Find the angle turned through in 27 seconds.
4) Find the work done by the net torque.
5) Find the kinetic energy of the turbine at the end of the 27 seconds.
A narrow beam of light containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 1.60 cm thick flat piece of crown glass and back to air again. The beam strikes the glass at a 35.0° incident angle.
A rope is used to pull a block a horizontal distance of 50 metres. If the rope tension is 120 N, What is the work done on the box
Compute the horizontal distance
A roof tile falls from rest from the top of a building. How far abovethe top of this window is the roof
Consider two unknown point charges, Q1( on the left) and Q2 are separated by a distance, o.981m. Find the ratio Q2/Q1 in both magnitude and sign
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A slug of mass 0.100 kg moving straight upward at 50.0 m/s collides with a 0.400 kg wooden block that is 20.0 cm long on a side, What is the loss of kinetic energy immediately before/after the hit
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You are piloting a spacecraft whose total mass is 1150 kg and attempting to dock with a space station in deep space. Assume for simplicity that the station is stationary, that your spacecraft is moving at 1.15 m/s toward the station, How long shou..
A 2 kg ball is dropped from a height of 1/5 m. It bounces off the floor with a velocity of 1 m/s. What is the impulse (magnitude and direction) applied to the ball during the collision with the floor
The cable below supports a unoformly distributed load. The max tension that the cable can withstand is 41 x 10^6 N, What minimum length of cable is needed
A charge of -3.95 nC and a charge of -5nC are separated by a distance of 30.0 cm. Find the position at which a third charge of +8.00 nC can be placed so that the net electrostatic force on it is zero. How many cm from the -3.95 nC charge and how m..
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